213201121134 has 8 divisors (see below), whose sum is σ = 426402242280. Its totient is φ = 71067040376.

The previous prime is 213201121129. The next prime is 213201121169. The reversal of 213201121134 is 431121102312.

It is a sphenic number, since it is the product of 3 distinct primes.

213201121134 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 213201121134.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17766760089 + ... + 17766760100.

It is an arithmetic number, because the mean of its divisors is an integer number (53300280285).

Almost surely, 2^213201121134 is an apocalyptic number.

213201121134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213201121134 is a wasteful number, since it uses less digits than its factorization.

213201121134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35533520194.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 213201121134 its reverse (431121102312), we get a palindrome (644322223446).

The spelling of 213201121134 in words is "two hundred thirteen billion, two hundred one million, one hundred twenty-one thousand, one hundred thirty-four".